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rtabmap/app/android/jni/tango-gl/include/tango-gl/camera.h
2017-06-12 15:36:33 -04:00

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2.5 KiB
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/*
* Copyright 2014 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TANGO_GL_CAMERA_H_
#define TANGO_GL_CAMERA_H_
#include "tango-gl/transform.h"
namespace tango_gl {
class Camera : public Transform {
public:
Camera();
Camera(const Camera& other) = delete;
Camera& operator=(const Camera&) = delete;
~Camera();
void SetWindowSize(const float width, const float height);
void SetFieldOfView(const float fov);
void SetOrthoMode(bool enabled) {ortho_ = enabled;}
void SetOrthoScale(float scale) {orthoScale_ = scale;}
void SetOrthoCropFactor(float value) {orthoCropFactor_ = value;}
void SetNearFarClipPlanes(const float near, const float far);
glm::mat4 GetViewMatrix();
glm::mat4 GetProjectionMatrix();
float getNearClipPlane() const {return near_clip_plane_;}
float getFarClipPlane() const {return far_clip_plane_;}
/**
* Create an OpenGL perspective matrix from window size, camera intrinsics, and clip settings.
*
* @param width - The width of the camera image.
* @param height - The height of the camera image.
* @param fx - The x-axis focal length of the camera.
* @param fy - The y-axis focal length of the camera.
* @param cx - The x-coordinate principal point in pixels.
* @param cy - The y-coordinate principal point in pixels.
* @param near - The desired near z-clipping plane.
* @param far - The desired far z-clipping plane.
*/
static glm::mat4 ProjectionMatrixForCameraIntrinsics(float width, float height,
float fx, float fy,
float cx, float cy,
float near, float far);
protected:
float field_of_view_;
float aspect_ratio_;
float width_;
float height_;
float near_clip_plane_, far_clip_plane_;
bool ortho_;
float orthoScale_;
float orthoCropFactor_;
};
} // namespace tango_gl
#endif // TANGO_GL_CAMERA_H_